Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for › D21H 25 - After-treatment of paper not provided for in groups
Patents for D21H 25 - After-treatment of paper not provided for in groups (4,291)
08/1983
08/30/1983US4401810 Method of stabilizing felted cellulosic sheet material with an alkali metal borohydride
08/23/1983US4400440 Crossling with ammonium zirconyl complex, non-sticking layers
06/1983
06/21/1983US4389433 Free radical hydroperoxide, cruing agent
06/14/1983US4388137 Process for transfer coating with radiation-curable compositions
06/14/1983US4388129 Production of bubble-free electrical laminates
06/09/1983WO1983001971A1 Method and apparatus for reconditioning currency notes and currency notes reconditioned thereby
06/07/1983CA1147510A1 Treatment of cellulosic materials
06/01/1983EP0079927A1 A method for treating a fibrous material and a plant for carrying out the method
04/1983
04/05/1983CA1144013A1 Method for waterproofing paper
03/1983
03/29/1983US4378431 Production of a cellulose-synthetic polymer composite fiber
02/1983
02/08/1983US4372800 Continuous process for producing reinforced resin laminates
12/1982
12/22/1982EP0067631A1 Flame retardant activated carbon web
12/09/1982WO1982004271A1 A method for treating a fibrous material and a plant for carrying out the method
11/1982
11/23/1982US4359873 Cooling asphaltic strip material
11/09/1982US4358504 An ammonium phosphate
10/1982
10/19/1982US4355081 Curing of resin impregnated cellulosics with continuously superheated steam
10/19/1982US4354487 From salt of acrylic or methacrylic acid penetrated into fibers
09/1982
09/29/1982EP0061121A1 Process for producing a plane support having a matt surface coated with a varnish cured by electron beams
09/28/1982CA1132343A1 Device for controlling thickness of coatings applied to moving strips of material
08/1982
08/24/1982CA1130089A1 Device for applying a coating to a material web
08/11/1982EP0057212A1 Method for producing a high quality, water absorbent, cellulosic sheet having high surface-perceived softness
07/1982
07/13/1982US4339088 Embossing method to avoid nesting in convolutely wound rolls and product
06/1982
06/15/1982US4335183 Painting a paper sheet with a polymer binder and magnetic substance; curing by ultraviolet radiation
06/08/1982CA1125003A1 Adjustable rod holder for metering rod coaters
06/01/1982US4332836 Process for producing composite insulating material
06/01/1982CA1124458A1 Sized paper and method for producing same
05/1982
05/25/1982CA1124121A1 Soft absorbent imprinted paper sheet and method of manufacture thereof
05/04/1982US4328284 Applying a layer of latex and pigments, drying, and heating
04/1982
04/28/1982EP0050398A2 Release sheet and method and apparatus of providing surface replication in a release coating
03/1982
03/31/1982EP0048491A2 Process for producing a resin reinforced laminate
03/30/1982US4322450 Surface replication on a coated substrate
03/23/1982CA1120344A1 Process for fusion-bonding of resins
03/23/1982CA1120343A1 Process for fusion-bonding of resins
03/09/1982US4318963 For preservation, using a metal alkoxide dissolved in an alcohol in the presence of carbon dioxide
02/1982
02/24/1982EP0046407A1 Method for coating and drying paper
02/18/1982WO1982000485A1 Method for producing a high quality,water absorbent,cellulosic sheet having high surface-perceived softness
01/1982
01/26/1982EP0036883A4 Release coatings.
01/19/1982US4311766 Sheets, stripping, acrylic polymers
01/05/1982US4309246 Papermaking apparatus and method
12/1981
12/29/1981US4308320 Pigment, thermoplastic polymer, calendering
12/15/1981CA1114248A1 Tea bags
12/09/1981EP0041205A1 Process for the manufacturing of filter materials
11/1981
11/24/1981CA1112959A1 Coating of paper
11/17/1981US4301210 Method for manufacturing cast-coated paper
10/1981
10/07/1981EP0036883A1 Release coatings.
09/1981
09/17/1981WO1981002545A1 Curl resistant label and method of making same
09/15/1981US4289821 Surface replication on a coated substrate
08/1981
08/19/1981EP0033988A2 Method of making a pattern densified fibrous web having spaced, binder impregnated high density zones
08/11/1981US4282826 Apparatus for regulation of the coating thickness in the coating of continuous webs of material
07/1981
07/07/1981US4277524 Pressing with mirror-like metal surface while heating above glass transition temperature of thermoplastic resin
06/1981
06/02/1981CA1102276A1 Radiation curing in the presence of steam
05/1981
05/05/1981US4265969 Method for manufacturing cast-coated paper
04/1981
04/14/1981US4262058 Curl resistant label and method of making same
04/02/1981WO1981000818A1 Release coatings
03/1981
03/31/1981US4258650 Rod holder for coating doctor system
03/24/1981US4257843 Method for the production of a matted transparent paper and the product thereof
03/11/1981EP0024703A1 Process for producing filter-materials
01/1981
01/20/1981US4245582 Adjustable rod holder for metering rod coaters
12/1980
12/23/1980US4241143 Satin white and latex and other inorganic pigments
10/1980
10/15/1980EP0017598A1 Process for treating paper and cardboard, and products obtained
09/1980
09/17/1980EP0015609A1 Soft absorbent imprinted paper sheet and method of manufacture thereof
09/02/1980US4220113 Device for applying a coating to a material web
08/1980
08/26/1980CA1084212A1 Method of making sized paper
08/05/1980US4216055 Electrostatic recording material and the method of preparing it
07/1980
07/29/1980US4214935 Process for fusion-bonding of resins
07/09/1980EP0013267A1 Method of making laminated products
06/1980
06/03/1980US4206249 Process for producing a paper container having high impermeability to liquid
04/1980
04/16/1980EP0009885A1 Method for applying coatings to substrates
03/1980
03/11/1980US4192700 Process for fusion-bonding of resins
03/04/1980US4191609 Soft absorbent imprinted paper sheet and method of manufacture thereof
12/1979
12/04/1979US4177314 Method of printing paper
09/1979
09/04/1979US4166758 Calendering and embossing
09/04/1979CA1061620A1 Selectively mechanically pre-dried paper and system for manufacture of same
07/1979
07/31/1979USRE30061 Impregnating with a stabilizing binder, vaporizing, puffing
07/31/1979US4162934 Method of producing sorption bodies
05/1979
05/01/1979US4152198 Waterproofing
12/1978
12/19/1978CA1044538A1 Method of finishing coated paper
12/12/1978CA1043956A1 Method of deacidifying paper
10/1978
10/17/1978US4120747 Use of ozone treated chemithermomechanical pulp in a high bulk tissue papermaking process
09/1978
09/05/1978US4112192 Pigment, thermoplastic biner
09/05/1978CA1037754A1 Use of thermomechanical pulp in a high bulk tissue papermaking process
09/05/1978CA1037713A1 Coated paper
04/1978
04/11/1978US4083749 Treating an aqueous pulp slurry containing a cationic neutral sizing agent with an oxidizing agent
03/1978
03/28/1978US4081188 Paper having microcapsules deposited in depressions on a surface thereof has improved smudge-resistance characteristics
09/1977
09/27/1977US4051276 Organo-metallic compounds
01/1977
01/11/1977US4002527 Solvent-distributed, powdered rubber in beater saturated sheets
07/1976
07/13/1976US3969549 Organo-metallic
06/1976
06/29/1976US3966543 Cellulase enzyme complex
06/15/1976US3963847 Thermoplastic resin
06/15/1976US3963843 Production of coated paper
02/1976
02/17/1976US3939091 Methyl magnesium carbonate
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